Remove last_reset attribute and set state class to total_increasing for tibber...

Remove last_reset attribute and set state class to total_increasing for tibber energy sensors (#54799)

* Remove last_reset attribute from tibber energy sensors

* Remove reset_type, fix merge

* Update homeassistant/components/tibber/sensor.py

Co-authored-by: Franck Nijhof <git@frenck.dev>

Co-authored-by: Daniel Hjelseth Høyer <mail@dahoiv.net>
Co-authored-by: Franck Nijhof <git@frenck.dev>